<?php
/**
 * Created by PhpStorm.
 * User: yangfan
 * Date: 2020/1/15
 * Time: 12:05 PM
 */

namespace App\BO\PaymentState;

interface IJudgePaymentState
{
    /**
     * 是否已经支付
     * @return bool
     */
    public function isPaid();
}
